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<h2>Summary of Changes in version 4.9, final</h2>
<p>Release theme: Test-class and suite level Rules.</p>
<h3>ClassRule</h3>
<p>The <code>ClassRule</code> annotation extends the idea of method-level Rules,
adding static fields that can affect the operation of a whole class. Any
subclass of <code>ParentRunner</code>, including the standard <code>BlockJUnit4ClassRunner</code>
and <code>Suite</code> classes, will support <code>ClassRule</code>s.</p>
<p>For example, here is a test suite that connects to a server once before
all the test classes run, and disconnects after they are finished:</p>
<pre><code>@RunWith(Suite.class)
@SuiteClasses({A.class, B.class, C.class})
public class UsesExternalResource {
public static Server myServer= new Server();
@ClassRule
public static ExternalResource resource= new ExternalResource() {
@Override
protected void before() throws Throwable {
myServer.connect();
};
@Override
protected void after() {
myServer.disconnect();
};
};
}
</code></pre>
<h3>TestRule</h3>
<p>In JUnit 4.9, fields that can be annotated with either <code>@Rule</code> or <code>@ClassRule</code>
should be of type <code>TestRule</code>. The old <code>MethodRule</code> type, which only made sense
for method-level rules, will still work, but is deprecated.</p>
<p>Most built-in Rules have been moved to the new type already, in a way that
should be transparent to most users. <code>TestWatchman</code> has been deprecated,
and replaced by <code>TestWatcher</code>, which has the same functionality, but implements
the new type.</p>
<h3>Maven support</h3>
<p>Maven bundles have, in the past, been uploaded by kind volunteers. Starting
with this release, the JUnit team is attempting to perform this task ourselves.</p>
<h3>LICENSE checked in</h3>
<p>The Common Public License that JUnit is released under is now included
in the source repository.</p>
<h3>Bug fixes</h3>
<ul>
<li>github#98: assumeTrue() does not work with expected exceptions</li>
<li><p>github#74: Categories + Parameterized</p>
<p>In JUnit 4.8.2, the Categories runner would fail to run correctly
if any contained test class had a custom Runner with a structure
significantly different from the built-in Runner. With this fix,
such classes can be assigned one or more categories at the class level,
and will be run correctly. Trying to assign categories to methods within
such a class will flag an error.</p></li>
<li><p>github#38: ParentRunner filters more than once</p>
<p>Thanks to <code>@reinholdfuereder</code></p></li>
<li><p>github#248: protected BlockJUnit4ClassRunner#rules method removed from 4.8.2</p></li>
<li>github#187: Accidental dependency on Java 6</li>
</ul>
<p>Thanks to <code>@kcooney</code> for:</p>
<ul>
<li>github#163: Bad comparison failure message when using assertEquals(String, String)</li>
<li>github#227: ParentRunner now assumes that getChildren() returns a modifiable list</li>
</ul>
<h3>Minor changes</h3>
<ul>
<li>Backed out unused folder "experimental-use-of-antunit", replaced by
bash-based script at build_tests.sh</li>
<li>Various Javadoc fixes</li>
</ul>
<p>Thanks to <code>@kcooney</code> for:</p>
<ul>
<li>Made MultipleFailureException public, to assist extension writers.</li>
<li>github#240: Add "test" target to build.xml, for faster ant-driven testing.</li>
<li>github#247: Give InitializationError a useful message</li>
</ul>
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